CN103471155A - Collision device for oil smoke purification - Google Patents
Collision device for oil smoke purification Download PDFInfo
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- CN103471155A CN103471155A CN2013104486692A CN201310448669A CN103471155A CN 103471155 A CN103471155 A CN 103471155A CN 2013104486692 A CN2013104486692 A CN 2013104486692A CN 201310448669 A CN201310448669 A CN 201310448669A CN 103471155 A CN103471155 A CN 103471155A
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Abstract
The invention relates to a collision device for oil smoke purification. The collision device is characterized in that the inertial settling theory is utilized; when grease particles moving along with smoke move to a relatively-static collision oil removal pipe in airflow, the smoke can flow around a body, while, the grease particles collide grooves in the surface of the collision oil removal pipe and settle into the collide grooves under the action of inertia force, grease can flow out timely along the grooves and be drained from an oil drainage hole in the bottom of a flue purification unit, and therefore the purpose of oiliness smoke purification can be achieved. The collision device for oil smoke purification is low in investment cost, little in maintenance charge and easy and convenient to maintain and operate, a purification system is easy to operate, and the purification unit is small in pressure drop and little in energy consumption. Meanwhile, the problem of grease accumulation in a system is solved. The purification unit is high in independent purification efficiency and also can achieve the purification effect when used in cooperation with other purification systems.
Description
Technical field
The present invention relates to a kind of crash device of purifying oil fume, be arranged in rectangle fume pipeline clean unit, be mainly used in the cooking fume produced in the big-and-middle-sized food and beverage enterprise of purified treatment operation process.
Background technology
Along with the development of Chinese society economy, living standards of the people improve constantly, and to be exactly the people constantly improve the requirement of living environment quality the thing followed.In recent years, cooking fume more and more causes people's attention to the pollution of indoor and atmosphere, China's catering industry oil smoke discharge amount generally surpasses the discharge standard of national regulation at present, not only environment is affected greatly, the periphery resident's of food and beverage enterprise health caused to harm to a certain degree, the relevant oil smoke of catering industry caused thus pollutes the complaint event caused and also rolls up simultaneously.
Because the dietary of China is that food is thrown in and is heated to very, in the high-temperature edible oil, it to be carried out to fried, fried, cooked, fried, so can produce a large amount of oil smoke in operating process.
Oil smoke is when the edible oil ebuillition of heated, complicated chemical change also can occur in the organic matter in oil, mainly that grease and protein generation thermal oxide decomposition or cracking produce, its composition is very complicated, relevant research shows, in cooking fume, contained chemical composition has kind more than 300 at least, mainly aliphatic acid, alkane, alkene, aldehydes, ketone, alcohol, ester, aromatic and heterocyclic compound, a lot of material (benzo [a] pyrenes (BaP) wherein, hexichol [a, h] anthracene (DBahA), benzo [a] anthracene (BaA), hexichol [a, b] anthracene (DBabA), the polycyclic hydrocarbon such as benzo [e] pyrene (BeP)) there is chemical toxicity, the insulting lungs of meeting and immune system, there is carcinogenic mutagenicity.Have data to show to cook the industry nasopharyngeal carcinoma incidence of disease higher than other occupations, oil smoke is also lung cancer caused key factor simultaneously.Also find that in addition the oil smoke contact has certain inhibitory action to body immune system.Therefore to the purified treatment of oil-contg. smoke, be very necessary.
There are following several problems usually in fume purifier of fume at present:
One, fume purifying efficiency is poor, and smoke evacuation does not reach the maximal emission that national standard requires.
Two, in flue, grease is piled up, and causes the phenomenon of smokejack water clock oil often to occur.In flue, grease is hoarded the too much flue risk on fire that also can increase simultaneously.
Three, device is safeguarded complexity, and maintenance cost is high, causes the fume purifier of fume of most of food and beverage enterprises to be negligent of safeguarding, has lost gradually purification function.
For the problems referred to above, need a kind of device of development, effectively solve the fume pollution problem of big-and-middle-sized food and beverage enterprise.
Summary of the invention
In order to address the above problem, the object of the invention aims to provide a kind of crash device of purifying oil fume, the oil-contg. smoke produced for the big-and-middle-sized food and beverage enterprise of purified treatment operation process.
The objective of the invention is to be achieved through the following technical solutions:
A kind of crash device of purifying oil fume, it is comprised of except oil pipe, air inlet, gas outlet, handle, groove oil smoke blast pipe, oil smoke discharge pipe, rectangle fume pipeline clean unit, clean unit top enclosure, outage, collision.Oil-contg. smoke enters rectangle fume pipeline clean unit by the oil smoke blast pipe, rectangle fume pipeline clean unit bottom surface is domatic, the gradient is 5 °-10 °, collision is nested in the cylinder of circular hole of clean unit top enclosure except oil pipe, be fixed in the support in rectangle fume pipeline clean unit, and be vertically mounted in rectangle fume pipeline clean unit; " U " the type hollow steel pipe that collision except oil pipe is, the steel tube surface groove parallel with the oil pipe axis that distributing, collision arranges air inlet, gas outlet and handle except the oil pipe top, handle is connected with " U " type hollow steel pipe, rectangle fume pipeline clean unit bottom arranges outage, flue gas purifies and discharges by discharge pipe through rectangle fume pipeline clean unit, or enters next clean unit.
Advantage of the present invention is:
Fat particles in flue gas, along with air motion, seldom or not produces slip.The present invention has utilized the principle of inertial settling, in rectangle fume pipeline clean unit, places collision except oil pipe.When the fat particles with smoke movement runs into collision relatively static in air-flow except oil pipe, flue gas can produce and stream, fat particles is subject to the effect of inertia force collide and be deposited to collision oil removing tube-surface or directly by collision, except the oil pipe interception, be settled down to its surface, thereby reaches the purpose that purifies oil-contg. smoke.The U-shaped steel pipe that collision is inner hollow except oil pipe, top, U-shaped steel pipe two ends is respectively equipped with air inlet and gas outlet, in the cleaning system operation, utilize supporting air pump normal temperature air to be passed into to collision via air inlet except in oil pipe, and discharge from gas outlet, by such step heat transfer process, flue-gas temperature is descended, impel the oil smoke of gaseous state in flue gas to separate out and be condensed into the fat particles of greater particle size, and being trapped except oil pipe by collision, thereby the purification efficiency of raising flue gas.Flue-gas temperature descends and can reduce the dynamic viscosity of flue gas simultaneously, the energy loss when minimizing flue gas flows in pipeline, thereby the overall energy consumption of minimizing lampblack purifying system.Collision has by punching press and forms the groove parallel with the oil pipe axis that surperficial rule is arranged except oil pipe is designed to surface, the purpose of design is in order to increase flue gas and the contact area of collision except oil pipe, to improve the trapping effect of the fat particles in flue gas and the effect of flue gas heat exchange like this.Collision is nested in the circular hole of clean unit top enclosure except oil pipe, in order to guarantee collision, except oil pipe, in running status, can not make to rock in system, therefore need set up collision except oil tube bracket in the clean unit bottom.Can first by air inlet, to collision, except in oil pipe, pass into hot-air or high-temperature steam when the system clean and maintenance, add thermalizing collision oil removing pipe, the viscosity of the grease that reduction collision oil removing tube-surface adheres to, the handle that will collide again except oil pipe top installing upwards draws, and the grease that steel tube surface is adhered in drawing process can be filtered unit top layer steel plate to be stopped and scrapes and drip in rectangle fume pipeline clean unit bottom surface.Rectangle fume pipeline clean unit bottom surface is designed for inclined, and design can make clean unit filter the bottom that lower long-pending oil collects in rectangle fume pipeline clean unit like this, from inclined-plane lowest part bottom rectangle fume pipeline clean unit, outage is set and discharges in time.
On the whole: cost of investment of the present invention is lower, and maintenance cost is less, and attended operation is easy, and cleaning system is simple to operate, and the clean unit pressure drop is little, less energy consumption.Wherein the mode by heat exchange reduces flue-gas temperature and clean unit bottom and outage is set has reduced system danger on fire.Outage is the generation of can the be effective less clean unit water clock oil of removal system inner product oil phenomenon in time.Clean unit independence purification efficiency is higher, and oil smoke concentration hour can be used separately, in the situation that oil smoke concentration is larger and other purifier coordinates and can receive good clean-up effect.
The accompanying drawing explanation
Fig. 1 is partial sectional view of the present invention.
The top view that Fig. 2 is Fig. 1.
Fig. 3 is the structural representation that in Fig. 1, collision removes oil pipe.
Fig. 4 is in the situation that oil smoke concentration is larger, and the present invention coordinates other devices, purifies the cooking fume structural representation produced in big-and-middle-sized restaurant unit production process.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, technical scheme of the present invention is further described again:
As Figure 1-3, a kind of crash device of purifying oil fume, it is comprised of except oil pipe 6, air inlet 7, gas outlet 8, handle 9, groove 10 oil smoke blast pipe 1, oil smoke discharge pipe 2, rectangle fume pipeline clean unit 3, circular hole 4, outage 5, collision, and oil smoke discharge pipe 2 is identical with oil smoke blast pipe 1 caliber.Oil-contg. smoke enters rectangle fume pipeline clean unit 3 by blast pipe 1, rectangle fume pipeline clean unit bottom surface is domatic, the gradient is 7 °, 25 " U " type collisions are set except oil pipe 6 in rectangle fume pipeline clean unit 3, collision is nested in the cylinder of circular hole 4 of clean unit top enclosure except oil pipe 6, be fixed in the support in rectangle fume pipeline clean unit 3, and be vertically mounted in rectangle fume pipeline clean unit; " U " shape steel tube (referring to Fig. 3) that collision except oil pipe 6 is.Collision is not smooth except oil pipe 6 tube walls, but collision is except the groove parallel with the oil pipe axis 10 that distributing on oil pipe 6 tube walls, the purpose of design groove 10 is in order to increase the contact area of collision except oil pipe and flue gas, increases collision frequency and increases flue gas heat exchange efficiency.Groove 10 and collision oil removing tubular axis line parallel, its objective is for the grease condensed in groove 10 can be flowed out in time along groove, makes the system operation more reliable and more stable.Collision arranges air inlet 7, gas outlet 8 and handle 9 except the oil pipe top, and handle 9 is connected with " U " shape steel tube, and air inlet 7 connects supporting air pump; Rectangle fume pipeline clean unit bottom arranges outage 5, and flue gas purifies through rectangle fume pipeline clean unit and discharges by discharge pipe 2.
The collision that the cooking fume produced in big-and-middle-sized restaurant unit production process is entered in rectangle fume pipeline clean unit 3 by oil smoke blast pipe 1 removes oil pipe 6, because collision stops except oil pipe 6, ventilation-sectional area in rectangle fume pipeline clean unit 3 treatment and purification unit can diminish, in order to guarantee can too fastly not affect gas cleaning efficiency and flue gas heat exchange efficiency by the flue gas flow rate of rectangle fume pipeline clean unit 3 clean units, and the cross-sectional area of rectangle fume pipeline clean unit 3 clean units is twice than the cross-sectional area of blast pipe.Collision is arranged except oil pipe 6 is designed to alternating expression, and arrangement mode is shown in Fig. 2.Flue gas during by rectangle fume pipeline clean unit 3 air-flow can except the gap between oil pipe 6 is the quick complications of s type, advance along collision, can break away from smoke gas flow due to fat particles that in the effect flue gas of inertia force, particle diameter is larger in this process and by collision except oil pipe 6 interceptions.Collision is to increase the number of times that the flue gas stream direction changes except oil pipe 6 is designed to staggered purpose, increases the frequency that inertial collision occurs, thereby improves the gross decontamination efficiency of inertial collision system.In the device running, by cleaning system, supporting air pump passes into air to collision except in oil pipe 6 by impact tube air inlet 7, the purpose of doing like this is that the temperature of flue gas is reduced, impel the gaseous organic substance condensation that boiling point is higher and tackled except oil pipe 6 by collision, reduce the kinematic viscosity that flue-gas temperature can also reduce flue gas simultaneously, reduce the running resistance of follow-up system, reduce the device operation energy consumption, and can reduce to a certain extent the risk that in flue, fire occurs.The steam that the cleaning system clean and maintenance stage can be used cooking in operation room imports collision except in oil pipe 6 bodys by impact tube air inlet 7, make collision except oil pipe 6 surface temperatures raise, make the grease sticked to except on oil pipe 6 tube walls soften and increase its mobility.Collision is led to steam after 10 minutes except oil pipe 6, grease on tube wall presents and comparatively holds runny state, now can close thermal pump and stop passing into steam, holding subsequently handle 9 will collide and upwards pull except oil pipe 6, because collision is identical except the shape on oil pipe 6 shape of cross sections and cleaning system top enclosure circular hole 4, so upwards in drawing process, sticking to the grease that becomes flow regime on tube wall can be cleaned the system top enclosure and wipe and fall the cleaning system bottom off and collected by rectangle fume pipeline clean unit 3 bottoms, finally by outage 5, discharge cleaning system.If food and drink enterprise does not arrange the steam boiler that cooking food is used, also can install heating wire additional in joined air pump gas outlet, when opening air pump, the clean and maintenance state switches on to heating wire, the air that air pump blows out is by electric-heating-wire-heating and enter collision except in oil pipe 6, and the hot air collision can reach the heating effect of vapours equally except oil pipe 6.Pass into collision and discharged by the gas outlet 8 of the u-shaped pipe other end except the gas in oil pipe,
In the situation that oil smoke concentration is larger, the crash device of purifying oil fume coordinates other elements, also can purify the cooking fume produced in big-and-middle-sized restaurant unit production process.
As shown in Figure 4, kitchen range top frying pan 11 produces cooking fume and is trapped by gas skirt 12, and gas skirt 12 inside top are circular arc, and screen pack 13 is housed on it, and bottom is provided with oil trap.Flue gas tangentially enters circular flue 14 after being trapped by gas skirt 12,14 ends of circular flue, be provided with outage 15, circular flue 14 arranges fire resisting damper 16 with indoor rectangle fume pipeline 17 places, circular flue 14 is tangential with indoor rectangle fume pipeline 17 and is connected, indoor rectangle fume pipeline 17 is connected with rectangle fume pipeline clean unit 3, rectangle fume pipeline clean unit 3 is connected with outdoor vertical tube 18, and outdoor vertical tube 18 ends are connected with horizontal flue again; Horizontal flue is equipped with centrifugal blower 19, and cooking fume is through the blower fan air draft, then through nonwoven filter course 20 further absorption except after degrease, from air outlet 21, discharge.
Claims (2)
1. the crash device of a purifying oil fume, it is by oil smoke blast pipe (1), oil smoke discharge pipe (2), rectangle fume pipeline clean unit (3), circular hole (4), outage (5), collision is except oil pipe (6), air inlet (7), gas outlet (8), draw (9), groove (10) forms, it is characterized in that oil-contg. smoke enters rectangle fume pipeline clean unit (3) by oil smoke blast pipe (1), rectangle fume pipeline clean unit bottom surface is domatic, the gradient is 5 °-10 °, collision is nested in the cylinder of circular hole (4) of clean unit top enclosure except oil pipe (6), be fixed in the support in rectangle fume pipeline clean unit (3), and be vertically mounted in rectangle fume pipeline clean unit, " U " shape steel tube that collision except oil pipe (6) is, the steel tube surface groove parallel with the oil pipe axis (10) that distributing, collision arranges air inlet (7), gas outlet (8) and handle (9) except the oil pipe top, handle (9) is connected with " U " shape steel tube, rectangle fume pipeline clean unit bottom arranges outage (5), flue gas purifies and discharges by discharge pipe (2) through rectangle fume pipeline clean unit, or enters next clean unit.
2. according to the crash device of right 1 described a kind of purifying oil fume, it is characterized in that: the cross-sectional area of rectangle fume pipeline clean unit (3) clean unit is twice than the cross-sectional area of oil smoke blast pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448669.2A CN103471155B (en) | 2013-09-28 | 2013-09-28 | A kind of crash device of purifying oil fume |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310448669.2A CN103471155B (en) | 2013-09-28 | 2013-09-28 | A kind of crash device of purifying oil fume |
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| CN103471155A true CN103471155A (en) | 2013-12-25 |
| CN103471155B CN103471155B (en) | 2015-08-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823103A (en) * | 2016-05-05 | 2016-08-03 | 中山市阿诗丹顿电气有限公司 | Oil and fume separating filtering device of extractor hood |
| SE1751074A1 (en) * | 2017-09-06 | 2019-03-07 | Enjay Ab | A fluid conduit unit for a ventilation system |
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| CN202032647U (en) * | 2011-04-21 | 2011-11-09 | 重庆科技学院 | Lampblack purifier |
| CN102692043A (en) * | 2012-05-08 | 2012-09-26 | 广东德塑科技有限公司 | Smoke purifier free of being detached and washed |
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2013
- 2013-09-28 CN CN201310448669.2A patent/CN103471155B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0630678A1 (en) * | 1993-06-24 | 1994-12-28 | Sante Del Ben | A device for the purification of air applicable in particular to cooker hoods |
| CN2324457Y (en) * | 1998-06-11 | 1999-06-16 | 张元宁 | Finned adhesive exhauster for removing cooking fumes |
| CN2625757Y (en) * | 2003-06-26 | 2004-07-14 | 苏力 | Switchback impacting type oil smoke cleaner |
| CN2789643Y (en) * | 2005-05-11 | 2006-06-21 | 杨三民 | Kitchen fumes exhauster |
| US20070175184A1 (en) * | 2006-01-30 | 2007-08-02 | Wen-Lung Yang | Greasy soot purifying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823103A (en) * | 2016-05-05 | 2016-08-03 | 中山市阿诗丹顿电气有限公司 | Oil and fume separating filtering device of extractor hood |
| CN105823103B (en) * | 2016-05-05 | 2018-08-10 | 广东阿诗丹顿电气有限公司 | A kind of oil smoke separating and filtering device of range hood |
| SE1751074A1 (en) * | 2017-09-06 | 2019-03-07 | Enjay Ab | A fluid conduit unit for a ventilation system |
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| CN103471155B (en) | 2015-08-05 |
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Granted publication date: 20150805 Termination date: 20160928 |